Move constants such as CHILD_SELECTOR_LEFT, etc. from the object to the class Interest.CHILD_SELECTOR_LEFT, etc.
Move constants such as CHILD_SELECTOR_LEFT, etc. from the object to the class Interest.CHILD_SELECTOR_LEFT, etc.

wentaoshang/NDN-on-Node,wentaoshang/NDN-on-Node,wentaoshang/NDN.JS,wentaoshang/NDN.JS